Home / 714,514.53-986,026.17-392,230.11

Finding the Fourth Proportional to 714,514.53, 986,026.17 and 392,230.11

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Solution

The fourth proportional to 714,514.53, 986,026.17 and 392,230.11 is: 541,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,514.53 : 986,026.17 = 392,230.11 : x
  2. Step 2: Convert to fraction form
    714,514.53/986,026.17 = 392,230.11/x
  3. Step 3: Cross multiply
    714,514.53x = 986,026.17 × 392,230.11
  4. Step 4: Simplify right side
    714,514.53x = 386,749,158,290.44
  5. Step 5: Solve for x
    x = 386,749,158,290.44/714,514.53
  6. Step 6: Final answer
    x = 541,275.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.